Pros: Easy to scrape, works well with machine made snow
Zardoz developed the Hot Wax based on the original inventors work called Speedy Blue. Speedy blue worked but had issues with smoke and a tight heat range.
Many of us used NOTwax, and wanted a hard wax to combine with.
Most people never hot wax, But should.
1- Easy to apply
2- Easy to scrape off
3- Performs in a broad temperature and humidity range
4- Performs in a broad range of snow quality types
5- Dirt, gunk repellent
6- Enhanced glide
Most wax works, most have no wax on base at all.
If you want to get into the real science check out the patent database.